Chord diagrams

A chord diagram is a graphical method of displaying the inter-relationships between data in a matrix. The data is arranged radially around a circle with the relationships between the points typically drawn as arcs connecting the data together.

Videos

No Tableau examples found at time of writing (August 2016).

Blog posts

A comprehensive post by Noah Salvaterra was hosted on datablick.com, and appears to be the guide to this chart type: